Zener Diodes – Mouser South Africa

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SZMMSZ52xT1G Automotive Zener Voltage Regulators

onsemi SZMMSZ52xT1G Automotive Zener Voltage Regulators are robust, surface-mount devices designed to provide precise voltage regulation and overvoltage protection in automotive and industrial applications. Packaged in a compact SOD-123 format, these Zener diodes offer a wide breakdown voltage range from 2.4V to 110V, making the components suitable for a variety of circuit protection and voltage reference tasks. The onsemi SZMMSZ52xT1G regulators are qualified to AEC-Q101 standards, ensuring high reliability under harsh environmental conditions, including extended temperature ranges from -55°C to +150°C. With features such as low leakage current and sharp breakdown characteristics, the SZMMSZ52xT1G series is ideal for use in electronic control units (ECUs), sensor interfaces, infotainment systems, and battery management circuits, where stable and predictable voltage regulation is critical.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Vz - Zener Voltage	Mounting Style	Package/Case	Pd - Power Dissipation	Voltage Tolerance	Ir - Maximum Reverse Leakage Current	Zz - Zener Impedance	Minimum Operating Temperature	Maximum Operating Temperature	Configuration	Test Current	Qualification	Packaging	Series
Zener Diodes ZENER REGULATOR SZMMSZ5246BT1G onsemi 1: $0.311 43,347In Stock	Mfr. Part No. SZMMSZ5246BT1G Mouser Part No 863-SZMMSZ5246BT1G	onsemi	Zener Diodes ZENER REGULATOR Learn More about onsemi szmmsz52xt1g regulators	Datasheet	43,347In Stock	Cut Tape $0.311 $0.152 $0.123 $0.083 Reel $0.062 View $0.076 $0.053 $0.05 $0.047 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	16 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	17 Ohms	- 55 C	+ 150 C	Single	7.8 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 6.2V SZMMSZ5234BT1G onsemi 1: $0.28 47,254In Stock	Mfr. Part No. SZMMSZ5234BT1G Mouser Part No 863-SZMMSZ5234BT1G	onsemi	Zener Diodes ZEN REG 0.5W 6.2V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	47,254In Stock	Cut Tape $0.28 $0.152 $0.117 $0.084 Reel $0.066 View $0.078 $0.058 $0.056 $0.047 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	6.2 V	SMD/SMT	SOD-123-2	500 mW	5 %	5 uA	7 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 4.7V SZMMSZ5230BT1G onsemi 1: $0.34 95,267In Stock	Mfr. Part No. SZMMSZ5230BT1G Mouser Part No 863-SZMMSZ5230BT1G	onsemi	Zener Diodes ZEN REG 0.5W 4.7V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	95,267In Stock	Cut Tape $0.34 $0.152 $0.133 $0.098 Reel $0.072 View $0.065 $0.051 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	4.7 V	SMD/SMT	SOD-123-2	500 mW	5 %	5 uA	19 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 6.0V SZMMSZ5233BT1G onsemi 1: $0.30 173,899In Stock	Mfr. Part No. SZMMSZ5233BT1G Mouser Part No 863-SZMMSZ5233BT1G	onsemi	Zener Diodes ZEN REG 0.5W 6.0V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	173,899In Stock	Cut Tape $0.30 $0.152 $0.133 $0.098 Reel $0.067 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	6 V	SMD/SMT	SOD-123-2	500 mW	5 %	5 uA	7 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 14V SZMMSZ5244BT1G onsemi 1: $0.27 59,424In Stock	Mfr. Part No. SZMMSZ5244BT1G Mouser Part No 863-SZMMSZ5244BT1G	onsemi	Zener Diodes ZEN REG 0.5W 14V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	59,424In Stock	Cut Tape $0.27 $0.152 $0.121 $0.086 Reel $0.067 View $0.081 $0.06 $0.059 $0.05 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	14 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	15 Ohms	- 55 C	+ 150 C	Single	9 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 20V SZMMSZ5250BT1G onsemi 1: $0.34 57,980In Stock	Mfr. Part No. SZMMSZ5250BT1G Mouser Part No 863-SZMMSZ5250BT1G	onsemi	Zener Diodes ZEN REG 0.5W 20V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	57,980In Stock	Cut Tape $0.34 $0.294 $0.186 $0.117 $0.104 Reel $0.09 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	20 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	25 Ohms	- 55 C	+ 150 C	Single	6.2 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 33V SZMMSZ5257BT1G onsemi 1: $0.29 34,429In Stock	Mfr. Part No. SZMMSZ5257BT1G Mouser Part No 863-SZMMSZ5257BT1G	onsemi	Zener Diodes ZEN REG 0.5W 33V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	34,429In Stock	Cut Tape $0.29 $0.152 $0.122 $0.087 Reel $0.067 View $0.081 $0.06 $0.056 $0.05 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	33 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	58 Ohms	- 55 C	+ 150 C	Single	3.8 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 36V SZMMSZ5258BT1G onsemi 1: $0.34 19,521In Stock	Mfr. Part No. SZMMSZ5258BT1G Mouser Part No 863-SZMMSZ5258BT1G	onsemi	Zener Diodes ZEN REG 0.5W 36V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	19,521In Stock	Cut Tape $0.34 $0.152 $0.133 $0.098 Reel $0.069 View $0.06 $0.055 $0.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	36 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	70 Ohms	- 55 C	+ 150 C	Single	3.4 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 2.5V SZMMSZ5222BT1G onsemi 1: $0.34 25,505In Stock 9,000Expected 2027/04/09	Mfr. Part No. SZMMSZ5222BT1G Mouser Part No 863-SZMMSZ5222BT1G	onsemi	Zener Diodes ZEN REG 0.5W 2.5V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	25,505In Stock 9,000Expected 2027/04/09	Cut Tape $0.34 $0.152 $0.133 $0.098 Reel $0.069 View $0.06 $0.055 $0.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	2.5 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 uA	30 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZENER REGULATOR SZMMSZ5252BT1G onsemi 1: $0.43 29,160In Stock 30,000Expected 2026/11/17	Mfr. Part No. SZMMSZ5252BT1G Mouser Part No 863-SZMMSZ5252BT1G	onsemi	Zener Diodes ZENER REGULATOR Learn More about onsemi szmmsz52xt1g regulators	Datasheet	29,160In Stock 30,000Expected 2026/11/17	Cut Tape $0.43 $0.294 $0.186 $0.117 Reel $0.09 View $0.104 $0.077 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	24 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	33 Ohms	- 55 C	+ 150 C	Single	5.2 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 8.2V SZMMSZ5237BT1G onsemi 1: $0.411 38,385In Stock	Mfr. Part No. SZMMSZ5237BT1G Mouser Part No 863-SZMMSZ5237BT1G	onsemi	Zener Diodes ZEN REG 0.5W 8.2V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	38,385In Stock	Cut Tape $0.411 $0.183 $0.159 $0.117 $0.104 Reel $0.076 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	8.2 V	SMD/SMT	SOD-123-2	500 mW	5 %	3 uA	8 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes Zener Diode 500 mW SOD-123 SZMMSZ5248CT1G onsemi 1: $0.32 4,856In Stock New Product	Mfr. Part No. SZMMSZ5248CT1G Mouser Part No 863-SZMMSZ5248CT1G New Product	onsemi	Zener Diodes Zener Diode 500 mW SOD-123 Learn More about onsemi szmmsz52xt1g regulators	Datasheet	4,856In Stock	Cut Tape $0.32 $0.142 $0.124 $0.092 Reel $0.092	Min.: 1 Mult.: 1 Max.: 530 : 3,000	18 V	SMD/SMT	SOD-123-2	500 mW	2 %	100 nA	21 Ohms	- 55 C	+ 155 C	Single		AEC-Q101	Reel, Cut Tape	SZMMSZ52
Zener Diodes Zener Diode 500 mW SOD-123 SZMMSZ5258CT1G onsemi 1: $0.39 5,360In Stock New Product	Mfr. Part No. SZMMSZ5258CT1G Mouser Part No 863-SZMMSZ5258CT1G New Product	onsemi	Zener Diodes Zener Diode 500 mW SOD-123 Learn More about onsemi szmmsz52xt1g regulators	Datasheet	5,360In Stock	Cut Tape $0.39 $0.171 $0.149 $0.108 Reel $0.108	Min.: 1 Mult.: 1 Max.: 536 : 3,000	36 V	SMD/SMT	SOD-123-2	500 mW	2 %	100 nA	70 Ohms	- 55 C	+ 155 C	Single		AEC-Q101	Reel, Cut Tape	SZMMSZ52
Zener Diodes ZEN REG 0.5W 5.1V SZMMSZ5231BT1G onsemi 1: $0.34 64,227In Stock	Mfr. Part No. SZMMSZ5231BT1G Mouser Part No 863-SZMMSZ5231BT1G	onsemi	Zener Diodes ZEN REG 0.5W 5.1V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	64,227In Stock	Cut Tape $0.34 $0.183 $0.159 $0.117 Reel $0.076 View $0.104 $0.069 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	5.1 V	SMD/SMT	SOD-123-2	500 mW	5 %	5 uA	17 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 10V SZMMSZ5240BT1G onsemi 1: $0.411 47,153In Stock	Mfr. Part No. SZMMSZ5240BT1G Mouser Part No 863-SZMMSZ5240BT1G	onsemi	Zener Diodes ZEN REG 0.5W 10V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	47,153In Stock	Cut Tape $0.411 $0.183 $0.159 $0.117 Reel $0.09 View $0.104 $0.076 $0.069 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	10 V	SMD/SMT	SOD-123-2	500 mW	5 %	3 uA	17 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 18V SZMMSZ5248BT1G onsemi 1: $0.43 64,266In Stock	Mfr. Part No. SZMMSZ5248BT1G Mouser Part No 863-SZMMSZ5248BT1G	onsemi	Zener Diodes ZEN REG 0.5W 18V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	64,266In Stock	Cut Tape $0.43 $0.294 $0.186 $0.117 Reel $0.09 View $0.104 $0.077 $0.069 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	18 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 nA	21 Ohms	- 55 C	+ 150 C	Single	7 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZENER REGULATOR SZMMSZ5221BT1G onsemi 1: $0.34 20,080In Stock	Mfr. Part No. SZMMSZ5221BT1G Mouser Part No 863-SZMMSZ5221BT1G	onsemi	Zener Diodes ZENER REGULATOR Learn More about onsemi szmmsz52xt1g regulators	Datasheet	20,080In Stock	Cut Tape $0.34 $0.152 $0.133 $0.098 Reel $0.072 View $0.065 $0.05 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	2.4 V	SMD/SMT	SOD-123-2	500 mW	5 %	100 uA	30 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 2.7V SZMMSZ5223BT1G onsemi 1: $0.27 16,362In Stock	Mfr. Part No. SZMMSZ5223BT1G Mouser Part No 863-SZMMSZ5223BT1G	onsemi	Zener Diodes ZEN REG 0.5W 2.7V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	16,362In Stock	Cut Tape $0.27 $0.119 $0.104 $0.076 $0.073 Reel $0.055 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	2.7 V	SMD/SMT	SOD-123-2	500 mW	5 %	75 uA	30 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 3.0V SZMMSZ5225BT1G onsemi 1: $0.39 644In Stock 6,000Expected 2027/07/16	Mfr. Part No. SZMMSZ5225BT1G Mouser Part No 863-SZMMSZ5225BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.0V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	644In Stock 6,000Expected 2027/07/16	Cut Tape $0.39 $0.231 $0.162 $0.109 $0.101 Reel $0.065 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3 V	SMD/SMT	SOD-123-2	500 mW	5 %	50 uA	29 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 3.3V SZMMSZ5226BT1G onsemi 1: $0.34 17,613In Stock	Mfr. Part No. SZMMSZ5226BT1G Mouser Part No 863-SZMMSZ5226BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.3V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	17,613In Stock	Cut Tape $0.34 $0.152 $0.133 $0.098 $0.092 Reel $0.072 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	3.3 V	SMD/SMT	SOD-123-2	500 mW	5 %	25 uA	28 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 3.6V SZMMSZ5227BT1G onsemi 1: $0.39 1,018In Stock 12,000On Order	Mfr. Part No. SZMMSZ5227BT1G Mouser Part No 863-SZMMSZ5227BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.6V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	1,018In Stock 12,000On Order On Order Ship Dates Mfr. No: SZMMSZ5227BT1G Stock: 1,018 Can Dispatch Immediately On Order: 6,000 Expected 2027/04/09 6,000 Expected 2027/07/23 Factory Lead Time: 53 Weeks	Cut Tape $0.39 $0.231 $0.162 $0.109 $0.101 Reel $0.073 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3.6 V	SMD/SMT	SOD-123-2	500 mW	5 %	15 uA	24 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 3.9V SZMMSZ5228BT1G onsemi 1: $0.261 5,481In Stock	Mfr. Part No. SZMMSZ5228BT1G Mouser Part No 863-SZMMSZ5228BT1G	onsemi	Zener Diodes ZEN REG 0.5W 3.9V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	5,481In Stock	Cut Tape $0.261 $0.115 $0.10 $0.073 Reel $0.053 View $0.047 $0.04 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	3.9 V	SMD/SMT	SOD-123-2	500 mW	5 %	10 uA	23 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 4.3V SZMMSZ5229BT1G onsemi 1: $0.34 12,006In Stock	Mfr. Part No. SZMMSZ5229BT1G Mouser Part No 863-SZMMSZ5229BT1G	onsemi	Zener Diodes ZEN REG 0.5W 4.3V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	12,006In Stock	Cut Tape $0.34 $0.152 $0.133 $0.117 Reel $0.09 View $0.104 $0.076 $0.069 $0.05 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	4.3 V	SMD/SMT	SOD-123-2	500 mW	5 %	5 uA	22 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 6.8V SZMMSZ5235BT1G onsemi 1: $0.29 14,056In Stock 9,000Expected 2026/09/30	Mfr. Part No. SZMMSZ5235BT1G Mouser Part No 863-SZMMSZ5235BT1G	onsemi	Zener Diodes ZEN REG 0.5W 6.8V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	14,056In Stock 9,000Expected 2026/09/30	Cut Tape $0.29 $0.152 $0.127 $0.09 Reel $0.067 View $0.083 $0.06 $0.058 $0.05 MouseReel Available	Min.: 1 Mult.: 1 Max.: 30,000 : 3,000	6.8 V	SMD/SMT	SOD-123-2	500 mW	5 %	3 uA	5 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52
Zener Diodes ZEN REG 0.5W 7.5V SZMMSZ5236BT1G onsemi 1: $0.34 6,626In Stock	Mfr. Part No. SZMMSZ5236BT1G Mouser Part No 863-SZMMSZ5236BT1G	onsemi	Zener Diodes ZEN REG 0.5W 7.5V Learn More about onsemi szmmsz52xt1g regulators	Datasheet	6,626In Stock	Cut Tape $0.34 $0.152 $0.133 $0.098 Reel $0.072 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	7.5 V	SMD/SMT	SOD-123-2	500 mW	5 %	3 uA	6 Ohms	- 55 C	+ 150 C	Single	20 mA	AEC-Q100	Reel, Cut Tape, MouseReel	SZMMSZ52